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View Full Version : Honda TRX 400EX & 400X ATV Info



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  1. 13 tooth front sprocket (7 replies)
  2. anyone ever repacked a WB E2? (5 replies)
  3. Hotcams, use of decompression? urgent! (7 replies)
  4. Help Price my 400 (24 replies)
  5. Chain slack (10 replies)
  6. removing airbox lid (5 replies)
  7. any one pick up an 08 yet.if so could i see it (0 replies)
  8. FCR on 400ex??? (6 replies)
  9. Lights, Valves Seals, and Oil Resevoirs, OH MY! (10 replies)
  10. Out w/ the Old and in w/ the new/used (9 replies)
  11. New guy here (16 replies)
  12. opinions on fly handlebars? (5 replies)
  13. 400ex MX mods (15 replies)
  14. Head Gaskets Do Not Like Me (3 replies)
  15. 400ex rebuild need advice (5 replies)
  16. 400ex Choppy, and Cutting Out (2 replies)
  17. Ordered a 450 Carb (5 replies)
  18. Did I screw up??? (3 replies)
  19. Starter button (7 replies)
  20. 450r carb=higher dbs? (6 replies)
  21. A-Arm bearings_change?-grease?-replace? (2 replies)
  22. compression pistons (7 replies)
  23. I recommend this tool (10 replies)
  24. Question (4 replies)
  25. Where can i find some anti-vibe bar inserts? (8 replies)
  26. sand shark's or sand star? (7 replies)
  27. Pictures of the beast (15 replies)
  28. Whats The Toughest Swingarm? (8 replies)
  29. 406cc questions (14 replies)
  30. does anyone have the XR's only temp dip stick? (4 replies)
  31. sprockets (1 replies)
  32. just got a power bomb now checking plug (1 replies)
  33. racing! (11 replies)
  34. Trinity Exhuast (2 replies)
  35. Eddie Carb? (2 replies)
  36. cheap 400s? (12 replies)
  37. gas leaking from drain hose when on reserve? And other probs (5 replies)
  38. help with carbon fiber hood (6 replies)
  39. 400ex running rich or leaking a little oil (1 replies)
  40. Any ideas on makin a 02 400ex to beable to woop a 04 Ltz 400? (22 replies)
  41. 06 400ex smoking (4 replies)
  42. 400ex choke problems (9 replies)
  43. durablue rear axle problem (3 replies)
  44. 416 (1 replies)
  45. spark plug gap??? (3 replies)
  46. 400EX Running bad (7 replies)
  47. Anyone have a 2008 yet? (1 replies)
  48. 450r carb jetting question (10 replies)
  49. Skid plates ^_^ (13 replies)
  50. Probably a stupid question (8 replies)
  51. is this a good trade?? (10 replies)
  52. 450r throttle cable question (1 replies)
  53. what can I buy? (4 replies)
  54. 400ex cutting out (5 replies)
  55. How to install DG alloy Nerf bars on a 04 400ex (2 replies)
  56. chain guard? (5 replies)
  57. 07 400 Ex (6 replies)
  58. 400ex cutting out in topend (10 replies)
  59. TAG bars (7 replies)
  60. nerf bars (15 replies)
  61. Chain myths? (10 replies)
  62. Need help wont start!!! (14 replies)
  63. oil questions (26 replies)
  64. starting problem (6 replies)
  65. OMG embarrasing, plz help (14 replies)
  66. Rev or CDI boxes? (11 replies)
  67. uhh help with cpu (3 replies)
  68. 419ex (4 replies)
  69. Who wins?? (11 replies)
  70. Dynojet and airfilter question (3 replies)
  71. have a few motor ?'s please read..... (1 replies)
  72. Changing oil? (13 replies)
  73. Where is the idle speed adjustment screw? (15 replies)
  74. Port and Polish gains? (3 replies)
  75. 450r carb or other aftermarket??? (5 replies)
  76. 02'400ex wont start (4 replies)
  77. Repacking R4 (12 replies)
  78. after-market clutch (1 replies)
  79. need a ballpark price.... (10 replies)
  80. ignition problem (3 replies)
  81. outerwears? (28 replies)
  82. Time for a rebuild (6 replies)
  83. Little help on pricing (8 replies)
  84. pros and cons of new carb or even necessary (5 replies)
  85. witch REV box is not mapped like the XR? (4 replies)
  86. big bore jetting issues (6 replies)
  87. 400EX quick and easy mods (18 replies)
  88. whats a better set up for mx 440 or gt thunder stroker (3 replies)
  89. do 450r or 250r front calipers fit 400ex? (1 replies)
  90. 400ex Reverse?? (6 replies)
  91. jetting for HMF slip on + K & N Filter? (16 replies)
  92. Debating.....Need help. (7 replies)
  93. Quick Carb Question (2 replies)
  94. what programmable ignition is better... (16 replies)
  95. 440 kit blowin head gaskets..... (5 replies)
  96. edelbrock carb any good? how do i tune it? (9 replies)
  97. need tire info (5 replies)
  98. 400ex problems (30 replies)
  99. plastics color!?!? (6 replies)
  100. switched cams,jetting? (2 replies)
  101. 416 or 426 (24 replies)
  102. Rear Sprocket (2 replies)
  103. Gas leak. Plz help (8 replies)
  104. Are they the same!?!?!?!?!?!? (2 replies)
  105. Ex Wont Start!!!! (9 replies)
  106. So what should my next mod be.... (17 replies)
  107. The big question, do hi rev CDI's actually make a difference? (13 replies)
  108. Pics of 400ex with XC tanks or O.S. tanks (38 replies)
  109. stroker crank (4 replies)
  110. Gas leak (4 replies)
  111. valve seals (7 replies)
  112. problem (1 replies)
  113. Jetting for Powerbomb header (2 replies)
  114. Jetting with FCR 39mm (4 replies)
  115. Need A Swingarm Bolt & Nut (2 replies)
  116. installing a 6° Ignition advanced key??? (5 replies)
  117. Can sum1 plz help my 400ex oil problem (22 replies)
  118. 10.5:1? (17 replies)
  119. clutch covers!! (0 replies)
  120. Pics Of My 400ex (16 replies)
  121. I need opinions. (17 replies)
  122. Tools to replace clutch cable (7 replies)
  123. Gearing for XC Racing (15 replies)
  124. rear axle dimensions (8 replies)
  125. 400ex swinger on 300ex (0 replies)
  126. Super grip stinger tires (3 replies)
  127. Air fuel meter for jetting (8 replies)
  128. Just cleaned carb 400ex (7 replies)
  129. Hook up throttle cable for FCR carb? (3 replies)
  130. Quick Question... (4 replies)
  131. How Much?? (8 replies)
  132. Take Your Atv To Church!!!! (7 replies)
  133. What do you think of my new 400ex? (14 replies)
  134. what motor will fit? (16 replies)
  135. Getting rdy for Waynoka (0 replies)
  136. Akrapovic Exhaust (2 replies)
  137. stock compression? (3 replies)
  138. Finnally,new sneakers (2 replies)
  139. my quad won't start (20 replies)
  140. Opinions on white hood (3 replies)
  141. KFX400 vs. 400EX (7 replies)
  142. start button issue (2 replies)
  143. trailtech lighting (1 replies)
  144. Grab bar/subframe help?????? (3 replies)
  145. What is the purpose of a..... (5 replies)
  146. 400ex starting probs (7 replies)
  147. new 400ex plastics (0 replies)
  148. Clutch Problems (2 replies)
  149. rear axel worn out ?? how to know?? (8 replies)
  150. z-400 axle barings? (1 replies)
  151. 400ex suspension/balljoint ? (8 replies)
  152. 440 jetting help (5 replies)
  153. stock swingarm or not (8 replies)
  154. Dial-A-Jet Works or Bull? (16 replies)
  155. expert help needed cant figure this one out (17 replies)
  156. HOW HOT Trail Tech dash kit with temp gauge (11 replies)
  157. HOW HOT Trail Tech dash kit with temp gauge (1 replies)
  158. 400EX graphics kit, where is the best? (21 replies)
  159. Dyno for HMF for the 400 (5 replies)
  160. CNC project billet seat latch (14 replies)
  161. Hipers...Best offset for XC riding (4 replies)
  162. what parts are interchangeable on a 400ex and 450r (2 replies)
  163. front end width ? (2 replies)
  164. Anyone know? (8 replies)
  165. wheelies pull to the left! why?? (17 replies)
  166. piston rings (2 replies)
  167. Pictorial Progression of my 07 400 ex (0 replies)
  168. Pictorial Progression of my 07 400 ex (48 replies)
  169. Pictorial Progression of my 07 400 ex (2 replies)
  170. Mx in florida (1 replies)
  171. seat cover (5 replies)
  172. kill switch install (5 replies)
  173. 432 cm on cyl (1 replies)
  174. Clutch Basket Locknut... (5 replies)
  175. New parts, new questions (1 replies)
  176. skid plate parts?? (3 replies)
  177. anyone know how high a 400ex revs? (4 replies)
  178. MX'ing my 400 for the 1st time... (7 replies)
  179. Holeshot HD'S (2 replies)
  180. stroker crank case machining (1 replies)
  181. Notorious Blingstar (12 replies)
  182. Oversized gas tanks and fenders??? (11 replies)
  183. powernow on fcr 41mm carb please help (1 replies)
  184. newbie to the board got some ?'s (6 replies)
  185. ? on 440 (0 replies)
  186. 460, 440 (4 replies)
  187. Krylon Fusion Paint, Who has it? How good is it? (6 replies)
  188. 440 stroker do they run hot? (2 replies)
  189. stroking (2 replies)
  190. anyone please post pics of laker plastic on their 400ex?? (2 replies)
  191. quadtech hoods (4 replies)
  192. Built a 400ex from the ground up for the GF . PICS (14 replies)
  193. new carrier and axle ? (10 replies)
  194. Rotor help? (10 replies)
  195. Pics of my 2005 400ex! (3 replies)
  196. cleaning (2 replies)
  197. i need some help! (2 replies)
  198. hard to start and smokin (2 replies)
  199. 440 Big Bore Kit (9 replies)
  200. what rev box to get (7 replies)
  201. Z-400 Shocks?? (9 replies)
  202. Pilot jet (3 replies)
  203. suspension question (3 replies)
  204. Brakes? What should I get?? Help!!! (1 replies)
  205. lucas oil (2 replies)
  206. new stuff!! (6 replies)
  207. Won't start plz helop (3 replies)
  208. Which is a bigger bike 400ex or Banshee (29 replies)
  209. how much are razrI's? (19 replies)
  210. 07 400 ex TIRE QUESTION (6 replies)
  211. Oil cooler fan? (4 replies)
  212. Absolute best exhaust (sounding looking power wise etc...) (26 replies)
  213. ODI Clamp on grips (18 replies)
  214. Front brake trouble. (4 replies)
  215. MX Racing (13 replies)
  216. duncan racing graphics ? (11 replies)
  217. 416 with stock studs (3 replies)
  218. 400 vs. 450r mx (5 replies)
  219. A arms (4 replies)
  220. Stage 1 Hot Cam With A 11:1 Piston (3 replies)
  221. Bearing Carrier (4 replies)
  222. HD Studs (1 replies)
  223. dumb question (3 replies)
  224. jetting (1 replies)
  225. metal mulisha (4 replies)
  226. Low compression question. (5 replies)
  227. Duncan Racing Decal (2 replies)
  228. Trail Tech CPU (19 replies)
  229. Battery relocation air box pic request... (24 replies)
  230. 460ex you should try it (17 replies)
  231. 400ex rev box questions (5 replies)
  232. tell me what you think! (10 replies)
  233. 400ex setup (2 replies)
  234. Chain size question (6 replies)
  235. Motorcycle motor in a 400ex (6 replies)
  236. 400EX wont start (16 replies)
  237. need new tires for 05 400.. Where? (19 replies)
  238. Clutch Problems ?? Oil Problem ?? (7 replies)
  239. Tranny whine??? (1 replies)
  240. 400ex timing, valve adjustment, and decompression clutch questions (12 replies)
  241. Need Pictures, Razr2-Razr combo! Are 22's okay? (13 replies)
  242. Updated Pics. (2 replies)
  243. Head Gasket Leaking ( Heavy Duty Head Studs ) (9 replies)
  244. Nerf Bars (2 replies)
  245. Painting (25 replies)
  246. how much will it cost (2 replies)
  247. 300 or 400ex? (7 replies)
  248. Stay on the 400 or Switch to a 450? (26 replies)
  249. 400 ex carrier ? (1 replies)
  250. 400 ex carrier ? (1 replies)